2001 gmc 2500 sierra fuel diesel title status clean transmission automatic 2001 GMC Sierra 2500 with a 6.6 duramax engine and Allison transmission. Truck has 140,000 on the engine. Truck is in near perfect shape. No rust and interior is in perfect shape. Truck has all new Bosch injectors, air dog fuel system, new cp3 pump, and tires are almost new also. Runs, drives good and has zero blow by. N...